Gaya APA
Worral, Marry. ().
Oxford ensiklopedia pelajar JIlid 2 .
Jakarta:
Grolier international.
Gaya Chicago
Worral, Marry.
Oxford ensiklopedia pelajar JIlid 2.
Jakarta:
Grolier international,
.
Text.
Gaya MLA
Worral, Marry.
Oxford ensiklopedia pelajar JIlid 2.
Jakarta:
Grolier international,
.
Text.
Gaya Turabian
Worral, Marry.
Oxford ensiklopedia pelajar JIlid 2.
Jakarta:
Grolier international,
.
Print.